/* SeedClaw-Organic visualization — center timeline + per-version row */

:root {
  --bg: #0f1115;
  --bg-elev: #161922;
  --bg-elev-2: #1c2030;
  --border: #262b3a;
  --border-soft: #1f2330;
  --text: #d8dde8;
  --text-dim: #8990a3;
  --text-faint: #5a6075;
  --accent: #7ab2ff;
  --accent-2: #b994ff;
  --accent-3: #5fd6a3;
  --warn: #ffae5a;
  --err: #ff7585;
  --rule: #2a2f3f;

  --t-foundation: #5fd6a3;
  --t-protocol: #7ab2ff;
  --t-tools: #7ab2ff;
  --t-transparency: #ffd28a;
  --t-testing: #ffd28a;
  --t-sessions: #b994ff;
  --t-followup: #b994ff;
  --t-planning: #ffae5a;
  --t-selfverification: #ffae5a;
  --t-extensibility: #f08aff;
  --t-policy: #f08aff;
  --t-subagents: #5fd6a3;
  --t-delegation: #5fd6a3;
  --t-concurrency: #ff7585;
  --t-skills: #ffe066;
  --t-analytics: #ffe066;
  --t-process: #c4c4c4;

  --axis-w: 80px;
  --row-gap: 28px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 12px;
}

/* ===== Header ===== */
header.site {
  border-bottom: 1px solid var(--border);
  padding: 18px 28px;
  display: flex;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
}
header.site h1 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: 0.02em; }
header.site .sub { color: var(--text-dim); font-size: 13px; }
header.site .principles { margin-left: auto; display: flex; gap: 14px; flex-wrap: wrap; }
header.site .principle {
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: help;
}

/* ===== Layout: column-headers + timeline-rows ===== */
.layout {
  max-width: 1500px;
  margin: 0 auto;
  padding: 8px 28px 80px;
}

.col-headers {
  display: grid;
  grid-template-columns: 1fr var(--axis-w) 1fr;
  align-items: end;
  padding: 16px 0 8px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--border-soft);
}
.col-headers h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.col-headers h2.left  { text-align: right; padding-right: 16px; }
.col-headers h2.mid   { text-align: center; color: var(--text-faint); font-size: 10px; }
.col-headers h2.right { text-align: left;  padding-left: 16px; }

/* Each timeline row = one version */
.row {
  display: grid;
  grid-template-columns: 1fr var(--axis-w) 1fr;
  align-items: start;
  padding: var(--row-gap) 0;
  position: relative;
}

/* central axis line: a single absolute stripe behind all rows */
.axis-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, transparent 0, var(--rule) 24px, var(--rule) calc(100% - 24px), transparent 100%);
  transform: translateX(-1px);
  pointer-events: none;
  z-index: 0;
}

.row .axis-cell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 14px;
  min-height: 100%;
}
.row .axis-cell .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
  margin-bottom: 6px;
  flex: 0 0 auto;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.row.active .axis-cell .dot {
  background: var(--accent);
  transform: scale(1.15);
}
.row .axis-cell .vlabel {
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.row.active .axis-cell .vlabel { color: var(--accent); }

/* horizontal rule across the row at axis-dot level */
.row::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 21px;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    var(--border-soft) 12%,
    var(--border-soft) 50%,
    var(--border-soft) 88%,
    transparent 100%);
  z-index: 0;
  pointer-events: none;
}

/* version cell sits on the LEFT */
.row .version-cell {
  display: flex;
  justify-content: flex-end;
  padding-right: 16px;
  z-index: 1;
}
.row .version-cell .card { max-width: 540px; width: 100%; }

/* tasks cell on the RIGHT, vertical stack of any tasks introduced this version */
.row .tasks-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 16px;
  z-index: 1;
}
.row .tasks-cell .card { max-width: 540px; width: 100%; }
.row .tasks-cell .empty {
  color: var(--text-faint);
  font-size: 11px;
  font-style: italic;
  padding: 6px 0;
  letter-spacing: 0.02em;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  position: relative;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: var(--accent); background: var(--bg-elev-2); }
.card.active {
  border-color: var(--accent);
  background: var(--bg-elev-2);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.card .top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.card .top .id {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  color: var(--accent);
}
.card .top .name { color: var(--text-dim); font-size: 12px; }
.card .top .badges { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg);
  letter-spacing: 0.04em;
  text-transform: lowercase;
}
.badge.theme {
  border-color: transparent;
  color: var(--bg);
  background: var(--text-dim);
  font-weight: 600;
}

.card .headline {
  margin-top: 8px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}

/* highlights — diff-style "+/~/!" list, scannable */
.card ul.highlights {
  margin: 12px 0 0 0;
  padding: 10px 12px;
  list-style: none;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--rule);
  border-radius: 4px;
}
.card ul.highlights li {
  display: flex;
  gap: 8px;
  padding: 2px 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text);
}
.card ul.highlights li .sigil {
  flex: 0 0 14px;
  text-align: center;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-faint);
  user-select: none;
}
.card ul.highlights li.h-add .sigil     { color: var(--accent-3); }
.card ul.highlights li.h-change .sigil  { color: var(--warn); }
.card ul.highlights li.h-concern .sigil { color: var(--err); }
.card ul.highlights li .txt { flex: 1; }
.card ul.highlights li.h-concern .txt { color: #f9bcbf; }

/* why-this-task-tests-this-version: 3 compact rows on task cards */
.card.task .why {
  margin-top: 12px;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  background: rgba(255,255,255,0.02);
  overflow: hidden;
}
.card.task .why-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 10px;
  font-size: 12px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  min-width: 0;
}
.card.task .why-row + .why-row { border-top: 1px solid var(--border-soft); }
.card.task .why-row.tests   { border-left-color: var(--accent-3); }
.card.task .why-row.trigger { border-left-color: var(--accent-2); }
.card.task .why-row.passiff { border-left-color: var(--accent); }

.card.task .why-k {
  flex: 0 0 56px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.10em;
  color: var(--text-faint);
  text-transform: uppercase;
  user-select: none;
  padding-top: 3px;
  text-align: right;
}
.card.task .why-row.tests .why-k   { color: var(--accent-3); }
.card.task .why-row.trigger .why-k { color: var(--accent-2); }
.card.task .why-row.passiff .why-k { color: var(--accent); }

.card.task .why-v {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--text);
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.card.task .why-tags {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 5px;
  padding-top: 1px;
}
.card.task .why-tag {
  display: inline-block;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 10.5px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 7px;
  border-radius: 3px;
  color: var(--accent-3);
  white-space: normal;
  max-width: 100%;
  word-break: break-word;
}

.card .metrics { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.metric {
  display: inline-flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 4px 8px;
  min-width: 60px;
  position: relative;
}
.metric .v {
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 12px;
  color: var(--text);
  line-height: 1.2;
}
.metric .k {
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.metric .delta {
  position: absolute;
  top: -7px;
  right: -6px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 9.5px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 8px;
  line-height: 1.2;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
/* default: "more is good" -> green up, red down */
.metric .delta.up   { color: var(--accent-3); border-color: rgba(95,214,163,0.4); }
.metric .delta.down { color: var(--err);      border-color: rgba(255,117,133,0.4); }
/* invertGood (smoke time, replay time): "less is good" -> swap colors */
.metric .delta.up.inv   { color: var(--err);      border-color: rgba(255,117,133,0.4); }
.metric .delta.down.inv { color: var(--accent-3); border-color: rgba(95,214,163,0.4); }

.detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  display: none;
}
.card.active .detail { display: block; }
.detail h4 {
  margin: 12px 0 6px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
}
.detail h4:first-child { margin-top: 0; }
.detail ul { margin: 0; padding-left: 16px; font-size: 12.5px; color: var(--text); }
.detail ul li { margin-bottom: 3px; }
.detail .note { font-size: 12px; color: var(--text-dim); font-style: italic; margin-top: 8px; }
.detail .pill {
  display: inline-block;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 11px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 3px;
  margin: 2px 4px 2px 0;
  color: var(--text);
}
.detail .pill.tool { color: var(--accent); }
.detail .pill.flag { color: var(--accent-2); }
.detail .pill.event { color: var(--accent-3); }

.variant-row { font-size: 12px; display: flex; gap: 10px; padding: 4px 0; border-bottom: 1px solid var(--border-soft); }
.variant-row:last-child { border-bottom: 0; }
.variant-row .when { color: var(--accent); font-family: "SF Mono", "JetBrains Mono", Menlo, monospace; flex: 0 0 auto; }
.variant-row .what { color: var(--text); }

.deferred-list .pill { color: var(--text-faint); border-color: var(--border-soft); }

/* ===== Footer ===== */
footer.info {
  border-top: 1px solid var(--border);
  padding: 12px 28px;
  font-size: 11px;
  color: var(--text-faint);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
footer.info .iter { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
footer.info .iter .step {
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--text-dim);
}

/* small viewport: stack columns, axis becomes a left rail */
@media (max-width: 880px) {
  .layout { padding: 8px 16px 60px; }
  .col-headers, .row { grid-template-columns: 56px 1fr; }
  .col-headers h2.right { display: none; }
  .col-headers h2.left { grid-column: 2; text-align: left; padding-left: 0; }
  .col-headers h2.mid  { grid-column: 1; }
  .row::before { display: none; }
  .row .axis-cell { grid-row: 1 / span 2; }
  .row .version-cell { grid-column: 2; padding-right: 0; justify-content: flex-start; }
  .row .tasks-cell   { grid-column: 2; padding-left: 0; padding-top: 8px; }
  .axis-line { left: 28px; transform: none; }
}